ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,798, issued on April 7, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Redundant power supply system" was invented by Megumi Matsui (Nisshin, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A redundant power supply system comprising: a sub power supply; a first circuit; a second circuit for supplying power of the sub power supply to the plurality of loads; and a control unit for controlling operations of the first circuit and the second circuit based on a state of the main power supply, wherein the control unit operates only the first circuit when there is no failure notification of the main power supply from the plurality of loads, and ...